Ultra96 v2.4 PYNQ for Xilinx 2018.3 Tools
A prebuilt SD card image for Ultra96 version 1 only is available at:
http://avnet.me/ultra96-pynq-image-v2.4
Download this .zip, extract .img, use Etcher to image it onto a 16GB or larger Micro SD Card and insert into Ultra96, then power on and have fun!